Introducing the new evolution of the Chub Nub (from Chris @ Orange Guides)
 
The TAC-41 Chub nub V2 
 
Concave face (due to popular demand)
A smoother more precise production resulting in zero lines in the nub and an EVEN more precise fit
Perfect fit for both the AEG & GBB Hop Units
 
Please Note
When buying parts from Longbow BB Ltd, you confirm you have the required ability to install and tech your airsoft replica as required. 
Longbow BB Ltd do offer a paid for service option for us to look at your rifle and try to solve any issues you maybe having. 
We need to manage your expectations as we (Longbow BB Ltd) are unable to provide extensive hours of tech advice for parts purchased that have been installed by yourself. 
All parts are inspected before dispatch to ensure product quality.